*** 2 Pack *** IR proximity/obstacle detection/avoidance  sensor for Arduino, STM32, ESP8266/ESP32, etc 3.3V-5V operation LM393 Chip Digital output Adjustable threshold Please consider our our multi-item…

All-Metal Hotend Conversion Kit for MakerBot Replicator Style 3D Printers with MK10 Hotends Using a hotend without a PTFE liner allows printing of materials that…

ESP8266 NodeMCU Microcontroller Development Board (with integrated WiFi) + Motor Driver Board with built-in L293D chip Note: the included NodeMCU board is the V2 style,…

*** 2 Pieces *** No more awkward alligator clips connecting a bench power supply to breadboard jumpers. Features: Space-saving design leaves more of your breadboard…

*** 3 Pieces *** Single-channel 5V relay board Very simple to wire, and extremely useful Please consider our our multi-item discount found at the top of the listing…

2M (2 Meters) of PTFE tubing: Inner Diameter 4mm Outer Diameter 6mm Commonly used as filament guide for Makerbot Replicator (and clone) printers, as well…

ESP32 ESP-WROOM-32 Development Board This is the last of these I have available at the moment – it comes packaged in its original anti-static bag,…

*** 2 Pack *** LSI/CSI LS7366R quadrature counter IC in DIP package This is a popular chip for reading quadrature encoders (such as those used on servo…

1/4-20 threaded adapter, female-female FF gender changer Used when you have a male thread but need a female. For example, photography light stands typically have…

Includes Mini USB and Dupont wires pictured. Specs: ARM Cortex M3 @ 72MHz 20k RAM 32khz RTC crystal JTAG / ST-Link connector 8-pin 0.96″ OLED…